What is oxidation?

Oxidation is the loss of electrons from a molecule, atom, or ion. This corresponds to an increase in the oxidation number of the molecule, atom, or ion.

TG

Related Chemistry A Level answers

All answers ▸

Which of Na+ and Mg2+ is the smaller ion. Explain your answer. (2 marks)


Nitrous acid, HNO2, is a weak Bronsted-Lowry acid with a Ka value of 4.43x10-4 mol dm-3. Calculate the pH of 0.375 mol dm-3 of HNO2.


Devise a simple synthetic route to an amide from a carboxylic acid. Give a mechanism for the final step and explain why the reagents are not added 1:1 in the final step


Describe the conditions used in the Haber Process and explain briefly why they are used.